AirHint found the following cheapest return flights from Sao Paulo (GRU) to London (LTN) in March 2026 (see full year).

Return flights

20 Mar - 30 Mar	Avianca
25 Mar - 09 Apr	Avianca
27 Mar - 11 Apr	Royal Air Maroc
16 Mar - 23 Mar	TAP
10 Mar - 24 Mar	TAP
10 Mar - 19 Mar	TAP
09 Mar - 16 Mar	TAP
05 Mar - 12 Mar	TAP
16 Mar - 31 Mar	TAP
10 Mar - 23 Mar	TAP
31 Mar - 07 Apr	TAP
16 Mar - 30 Mar	Air Europa
29 Mar - 12 Apr	TAP
09 Mar - 15 Mar	TAP
23 Mar - 02 Apr	TAP
29 Mar - 14 Apr	TAP
30 Mar - 07 Apr	TAP
29 Mar - 05 Apr	TAP
29 Mar - 06 Apr	TAP
26 Mar - 05 Apr	TAP

Also check the deals for one-way flights from Sao Paulo to London in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Sao Paulo to London in March from $754

Return flights